more Motif fixes (still doesn't compile, but *really* close :-)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2716 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/motif/frame.h

@@ -6,7 +6,7 @@
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_FRAME_H_
@@ -19,6 +19,7 @@
 #include "wx/window.h"
 #include "wx/toolbar.h"
 #include "wx/accel.h"
+#include "wx/icon.h"
 
 WXDLLEXPORT_DATA(extern const char*) wxFrameNameStr;
 WXDLLEXPORT_DATA(extern const char*) wxToolBarNameStr;